io_queue_release - Release the context associated with the userspace handle
int io_queue_release(io_context_t ctx);
io_queue_release destroys the context associated with the userspace handle. May cancel any outstanding AIOs and block on completion.
On success, io_queue_release() returns 0. Otherwise, -error is return, where error is one of the Exxx values defined in the Errors section.
|EINVAL||ctx refers to an uninitialized aio context, the iocb pointed to by iocbs contains an improperly initialized iocb.|